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Physics Quiz-1

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We all know about the Archimedes Principle: in simple language, it says that if an object is immersed in a liquid then the liquid exerts on that object a force which acts on the object in the vertically upward direction, the magnitude of this force is equal to the weight of the liquid displaced by the object. This force is called the buoyant force of liquid. It is because of this force that many things float on water.
My question to all the students visiting this blog is that "why is Archimedes Principle correct?" Can you explain the mechanism on the basis of which we can expect or predict the generation of buoyant force that a liquid exerts on any object immersed in it?Does gravity play any role in this case? - if yes then explain what role. Will Archimedes Principle be applicable inside a satellite circling the earth?
Write your answer in the comment section.
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For reading my articles on IIT-JEE preparation go to the List of all my articles.

For reading my article on General Study Techniques for getting good marks CLICK HERE
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Click here for other Physics Quizes[/U][/B][/SIZE]

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Those students who are desirous of studying Physics and Maths from me can click here.

For taking my test series in Physics and Maths click here

For any help or query you can contact me (J.P.Sinha) on my mobile +91 9871 222 426 (it is a New Delhi mobile)Please call only between 8.00am and 10.00am IST

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what is the teaching quality of your teachers at school/college? Click here to participate in a survey for the teaching quality in Maths.

PHYSICS & MATHS:- Getting good marks in CBSE 12 th Board.

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AUTHOR-J.P.Sinha.Teacher (Physics and Maths) for IIT-JEE/PMT

12th board exam is the most important stage in the academic life of any student in India. Good score in this exam in many cases ensures admission in good course or college. There is an element of prestige attached to it too : any student getting 90%+ marks in 12 th board automatically becomes the darling of his/her entire family - all of a sudden people start speaking good and respectful words for him.

According to the proposed new Government Policy regarding the admissions in various Engineering Colleges in India, including IITs, marks earned by a student in his/her 12th board exams are soon going to become very important for his/her admission in Engineering Courses in India. According to the news paper reports, board marks will be given very important weightage in deciding the eligibility of a student in the Engineering Admission Process. A student scoring low marks in board exam will be not eligible for IITs even if he/she performs well in the entrance test.

So my message to all is: DON'T IGNORE THE BOARD EXAMS NOW

My experience as a teacher says that getting very high marks in board exams in India (at-least in CBSE board exam!) is honestly not very tough these days.

Following are few of the general advices that I would like to give to any one desirous of getting good marks in Physics and Maths in CBSE board exams:

Give utmost importance to your NCERT books. In maths exam, usually nothings comes from outside NCERT book. So for your board exam preparation do not consult any reference book. Just solve all the SOLVED and EXERCISE problems of NCERT again and again for practice.Remember that you do not have to leave any thing inside the NCERT maths book. Solve every single problem - both solved examples and exercise problems - present inside NCERT books. Solve all the Miscellaneous solved and unsolved questions too. Solve the Sample Papers available on CBSE website. If you gain the capability of solving any problem contained in the NCERT book without any trouble then I assure you that you can even get 100 marks in Maths.

For Physics, again NCERT book is very important. *Read all concepts of every chapter in full detail from NCERT.*Make a list of all the DERIVATIONS in each chapter.*Write the proofs of these DERIVATIONS in your note book. While writting the proofs follow the style in which you normally answer a question in exam. *Make a comprehensive list of all the important formulae of the syllabus. Revise them regularly.*Do all the NUMERICAL type questions present in NCERT physics book (both solved and unsolved ! ).*Make a list of important graphs present in your text book. *You must know all the Definitions and S.I. units of all the physical quantities dealt in the syllabus. *If possible, practice 'previous year questions' from each chapter from the book "Together with Physics" or "U-Like Sample Paper in Physics". *Solve the Sample Paper available on CBSE website.*Do the revision of all the above works again and again. You will then be able to solve the entire PHYSICS paper without any problem and getting 65+ (out of 70) score will not be difficult for you in Physics.

If you do all the above and join a test series for continuously evaluating your preparedness then I am sure no one can stop you from getting very high marks in the board exams. Doing regular tests is a must. It sharpens your problem solving skills. So ask your teachers to take frequent tests.

If your teachers are not taking tests on daily basis then for your benefits I have developed a very high quality Test Series in Physics and Maths. Its cost is very low so anybody can join it. For taking my test series in Physics and Maths click here

For reading my article on General Study Techniques for getting good marks CLICK HERE

Those students who are desirous of studying Physics and Maths from me can click here.

For any help or query you can contact me (J.P.Sinha) on my mobile +91 9871 222 426 (it is a New Delhi mobile)Please call only between 8.00am and 10.00am IST

Other relevant articles :

  1. Part-1:-This explains how you can begin your preparation when you enter class- 11th .
  2. Part-2: This explains how you can give your preparation a good finish.
  3. Part-3 :-This explains how you can master problem solving in PHYSICS and MATHS in Board Exam.
  4. Studying for IIT-JEE after passing the 12th board:-In this article I have written my advices for 12th pass students who are dropping one year to preparing for IIT-JEE.
  5. List of all my articles on IIT-JEE/PMT preparation:-This page contains the list of all the articles written by me on IIT-JEE and PMT preparation.

LIST of all my Articles and Blogs

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Those students who are desirous of studying Physics and Maths from me can click here.

For taking my test series in Physics and Maths click here

Test your knowledge of Physics. Click Here to go to Physics Quiz Page

List of all my Articles published on the Internet

On CBSE board Exams

On IIT-JEE Preparation

Studying for 12th board: In this I have explained that how a student should study for getting very good marks in the 12th board exam. This article mainly concerns with two subjects: Physics and Maths.

How to Begin?(Part-1):This article is meant for those science students who have just entered in the 11th class. In this I have explained to them that how they can begin their studies in 11th class if they want to prepare for IIT-JEE/PMT.

Importance of Board Exam: In this article I have written my views on the importance of the board exam for the overall education system in India. In this, I have written my arguments against the Government decision of abolishing the 10th board exam.

Giving Finishing Touch(Part-2): This article is the sequel to the above article (Part-1). Read this only after you have read Part-1. In this I have explained that how a student can take his/her level of study to more advanced level for getting prepared for solving the questions asked in the Engineering and Medical entrances.

Importance and Studying strategies for Physics:
Part-1:In this I have explained the importance of Physics as a subject. A must read for every science student.

For Students in 12th class: Some students waste their time in 11th class and when they reach 12th class they start thinking for IIT-JEE/PMT preparation. This article is meant for such students.

Part-2: In this I have explained that how you can begin your study of physics

For Students who have passed 12th class:Some students take a drop of one year after 12th board exam to prepare for IIT-JEE/PMT. This article is for such students.

MY NOTES IN PHYSICS:- Click here to know about my notes in physics.

Problem solving skills in maths and physics: In this article I have explained that how a student can solve a problem of Physics or Maths in an organized manner.

Fundas:

For subject related articles

Book list for IIT-JEE and PMT: This article contains a list of books that are helpful in IIT-JEE/PMT preparation.


IIT-JEE preparation for Kids(8th to 10th class): In this article I have written that how a student of below 11th class should study if he wishes to prepare for IIT-JEE or PMT in future.

Amarnath Yatra: Click here to read the detailed story of how I did the holy Amarnath Yatra. Reading this story will help you in preparing for doing the Amarnath Yatra.

Random Thoughts: Click here for reading my blogs on miscellaneous issues



To read about important official announcements regarding various Engineering and Medical Entrance Exams you should click here.

For reading my article on General Study Techniques for getting good marks CLICK HERE




For any help or query you can contact me (J.P.Sinha) on my mobile +91 9871 222 426 ( it is a New Delhi mobile) Please call only between 8.00am and 10.00am IST



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what is the teaching quality of your teachers at school/college? Click here to participate in a survey for the teaching quality in Maths.
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Do not abolish the board exams in 10 th standards.

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In India everybody thinks that student community are stressed lot. And people mostly blame board-exams for this stress. Board Exams are public exams conducted by Education Boards like CBSE, ISE and many other STATE Boards. 10th and 12th standard students of all the schools affiliated to a particular board have to appear in the Board Exams conducted by that particular board in month of March-April every year. In these exams question papers are centrally set by the board and students of different school are evaluated on the basis of their performance on one question paper. All the students belonging to a particular board face the question paper of the same difficulty level so the marks obtained by them in this exam is a better measure of the knowledge and problem solving skills acquired by them. If two students X and Y appear in the exam conducted by the same board and X gets higher marks than Y then one can safely conclude that most probably X is a better student that Y. This gives the Board Exams an edge over school exams, because in school exams different schools have different standards.

In some schools, question paper are tough, while in other schools question papers are relatively easy. In government schools, question papers are mostly based on the prescribed text books (e.g. NCERT for CBSE affiliated Govt. School). In private schools, question papers are mostly based on private publication books which the teachers of that school use for teaching.(Choice of the recommended book for teaching in a private school is very seldom based on the real quality of the text book- otherwise, why most Delhi teachers of private schools use PRIVATE PUBLICATION books in science for class 10th although NCERT is a better book than those books? Or Why most physics school teachers use a PRIVATE PUBLICATION(I do not want to take name!) book in Physics for 11th and 12th class although NCERT Physics book is many times more better in quality than that Private Publication's book in physics?).

So same marks in different schools do not mean the same. For example, suppose a student named A scores 80% marks in school X, and another student B too scores 80% marks in his school Y. You can not take guarantee that the level of knowledge of A and B are same because schools X and Y are not necessarily setting the question paper of same toughness level. So how will it be ascertained that which student is superior to which in terms of knowledge acquired.

Also it is not very uncommon for a lazy teacher in a school to not finish the entire syllabus of his subject. Then to appease the students of his/her class, he/she unofficially tells the students that questions will come in the exam from only those chapter which he/she has taught and not from the entire prescribed syllabus. So in this scenario, if board exams are now abolished, then how it will be ascertained that students are being taught the entire syllabus?- because, it is a fact, due to board exams every school finishes the entire 10th and 12th class syllabus, whereas, some part of 9th and 11th class syllabus remain untaught every year in many schools.

I will like to tell the readers of this page that they should not believe in the illogical argument advanced by many people who say that the sense of competition that board exam instills in the brain of a young student is bad for them. Competing against each other in an healthy way- I would say- is necessary for the overall evolution of a child personality. Competition is a part of human culture. One Company competes with the other. One state of India competes with the other state. India competes with other countries for trade, commerce and overall development. Competition can only be removed in an utopian imaginary society. Because competition is a necessity for the actual human society at every level of its existence. It is a fact that the urge to compete and do better than others in our life is one of the most important force that drives us to excel in our life. So why are be trying to remove competition from students' life?

Also, in school exams, the internal evaluation of answer sheets, by a teacher of the same school, is mostly not very impartial. If a teacher T likes a particular student P (because, for example, P had gifted him/her a costly item on last Teacher's Day or because P is a neighbor of T or because P un-officially takes tuition from T …) then P will definitely get better marks than an equally competent student Q who may not be a favourite of T. Whereas, in Board Exams, the evaluation of answer sheets are done by teachers who do not know the students personally. So they award marks only on the basis of the quality of the answers.

India is known world over for its engineers and doctors that it produces in huge numbers every year. The entire computer software industry and the BPO industry is fully dependent upon the availability of quality human resource. If this experiment of doing away with board exams proves to be a mistake in future and consequently the quality of human resource deteriorates with time, then our future generation will never pardon us for our action.

Instead of abolishing the practice of board exams, I would say, the government should strengthen the board system. There should be one board for 12th class in entire India. So that students throughout India study the same syllabus in their 11th and 12th class. This will help in strengthening the university education as well. State boards may be allowed to function upto 10th level so that students may study their state centric syllabus upto class 10th . But beyond that there should be one national level curriculum.

For reading my article on General Study Techniques for getting good marks CLICK HERE

For reading my other articles on IIT-JEE preparation go to List of all my Articles on IIT-JEE/PMT preparation

FOR any help or query contact me (J.P.Sinha) at my mobile+91 9871 222 426 (it is a New Delhi mobile number).Please call only between 8.00am and 10.00am, Indian Time

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This part I am writing today (on 13th May 2011) because a very respectable author of a private publication book called me on my mobile in the evening at around 8.50PM today and objected to my statement that "NCERT is better book than his book". Sorry Sir, my aim was not to offend you or any other author. But I stood by what I say: "NCERT books in science and maths are indeed better that most private books". This is my personal opinion based on my own evaluation of NCERT books and other books.

EXPLANATION:I do not consider the popular private publication books as good books, because in most of those books(there are few exceptions, although!) the chapters are not written in a compact manner. These books are written in the style of a GUIDE. It takes a lot of time to read a chapter from those books.So it is impossible to finish the syllabus of all the subjects if one exclusively use private publication books. A text book should be very compact. Things should never be spoon-fed to a student. So, in my opinion, use private books(if needed) as a supplement to NCERT book and not as a text book.

For taking my test series in Physics and Maths click here

How was IIT-JEE-2009 Question Paper-1?

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Analysis of Question Papers of IIT-JEE-2009.

AUTHOR-J.P.Sinha. Delhi based Teacher for IIT-JEE/PMT

IIT-JEE-2009 consisted of two question papers of three hours duration each. Each question paper carried 240 marks. Thus the total maximum marks for IIT-JEE-2009 was 480. Questions from all the three subjects- chemistry, physics and mathematics- were present in each of the paper.

PAPER-1

Paper-1 contained 60 questions in total - 20 of chemistry, 20 of maths and 20 of physics. Paper-1 consisted of 3 Parts. Part-1 contained 20 questions of chemistry. Part-2 contained 20 questions of maths, and similarly Part-3 contained 20 questions of physics.

Questions in each PART were grouped into four sections.

SECTION-1 of each PART cotained 8 multiple choice questions(MCQs). In these, each question had 4 choices (A), (B), (C) and (D) for its answer, out of which only one was correct. Marking Scheme was : Three(3) marks for each correct attempt. Zero(0) Marks for not attempting a question, and, minus one (-1) for wrong attempt of a question.

SECTION-2 of each PART contained 4 MCQs. Each question had 4 choices (A), (B), (C) and (D) for its answer, out of which ONE or MORE could be correct. And to get marks a student was required to identify all the correct choices in a question. Marking Scheme was : Four(4) marks for each correct attempt. Zero(0) Marks for not attempting a question, and, minus one (-1) for wrong attempt of a question.

SECTION-3 of each PART consisted of two groups of questions. Each group was based of a paragraph and contained 3 questions. Thus there were 6 questions in this section. In these, each question had 4 choices (A), (B), (C) and (D) for its answer, out of which only one was correct. Marking Scheme was : Four(4) marks for each correct attempt. Zero(0) Marks for not attempting a question, and, minus one (-1) for wrong attempt of a question.

SECTION-4 of each PART contained 2 questions. Each question was Matching Type. There were two columns in each question. Column 1 had four statements ( A,B,C and D) and Column 2 had five statements ( p,q,r,s and t ). Any statement  in Column 1 can have correct matching with one or more statements of Column 2. Marking Scheme: Two (2) marks were awarded for identifying all the correct matches of a statement in Column 1 with those  of statements in Column-2. Thus for 4 statements in Column 1, each question allowed an opportunity to score upto a maximum of 8 marks. There were no negative marking for incorrect matchings in this section. For getteing marks, however, a student was required to identify all the correct matches of a statement in Column-1 with those in Column-2 to get 2 marks for that statement.

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For reading my other articles on IIT-JEE preparation go to  List of all my Articles on IIT-JEE/PMT preparation 

FOR any help or query contact me (J.P.Sinha) at my mobile+91 9871 222 426 (it is a New Delhi mobile number).Please call only between 8.00am and 10.00am, Indian Time

How was IIT-JEE-2009 Question Paper-2 ?

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Analysis of Question Papers of IIT-JEE-2009.

AUTHOR-J.P.Sinha. Delhi based Teacher for IIT-JEE/PMT

IIT-JEE-2009 consisted of two question papers of three hours duration each. Each question paper carried 240 marks. Thus the total maximum marks for IIT-JEE-2009 was 480.Questions from all the three subjects- chemistry, physics and mathematics- were present in each of the paper.

PAPER-2

Paper-2 contained 57 questions in total - 19 of chemistry, 19 of maths and 19 of physics. Paper-2 consisted of 3 Parts. Part-1 contained 19 questions of chemistry. Part-2 contained 19 questions of maths, and similarly Part-3 contained 19 questions of physics. For knowing the details of Paper-1 click here.

Questions in each PART were grouped into four sections.

SECTION-1 of each PART cotained 4 multiple choice questions(MCQs). In these, each question had 4 choices (A), (B), (C) and (D) for its answer, out of which only one was correct. Marking Scheme was : Three(3) marks for each correct attempt. Zero(0) Marks for not attempting a question, and, minus one (-1) for wrong attempt of a question.

SECTION-2 of each PART contained 5 MCQs. Each question had 4 choices (A), (B), (C) and (D) for its answer, out of which ONE or MORE could be correct. And to get positive marks a student was required to identify all the correct choices in a question. Marking Scheme was : Four(4) marks for each correct attempt. Zero(0) Marks for not attempting a question, and, minus one (-1) for wrong attempt of a question.

SECTION-3 of each PART contained 2 questions. Each question was Matching Type. There were two columns in each question. Column 1 had four statements ( A,B,C and D) and Column 2 had five statements ( p,q,r,s and t ). Any statement  in Column 1 can have correct matching with one or more statements of Column 2. Marking Scheme: Two (2) marks were awarded for identifying all the correct matches of a statement in Column 1 with those  of statements in Column-2. Thus for 4 statements in Column 1, each question allowed an opportunity to score upto a maximum of 8 marks. There were no negative marking for incorrect matchings in this section. For getteing +2 marks for a statement in Column-1, however, a student was required to identify all the correct matches of a statemant in Column-1 with those in Column-2.

SECTION-4 of each part contained 8 questions. There answer to each of the questions was a single digit integer, ranging from 0 to 9. Marking Scheme was: Four(4) marks for each correct answer. Zero(0) Marks for not attempting a question, and, minus one (-1) for wrong attempt of a question.

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For reading my other articles on IIT-JEE preparation go to  List of all my Articles on IIT-JEE/PMT preparation 

FOR any help or query contact me (J.P.Sinha) at my mobile+91 9871 222 426 (it is a New Delhi mobile number).Please call only between 8.00am and 10.00am, Indian Standard Time.

How to prepare for IIT-JEE/ PMT?/ Part-3

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Problem Solving skills in Maths and Physics.

AUTHOR-J.P.Sinha.Teacher for IIT-JEE/PMT

For science/maths students in general, and IIT-JEE or PMT aspirants in particular, learning the skills of problem solving is very important.Questions and problems in science (especially physics!) and maths contain factual, conceptual, theoretical and numerical ingredients all entangled with each other.And this makes solving them tough for the beginners.That is why students begin to fear Physics and Maths because these two subjects requires finest quality of problem solving skills from students.There is no universal technique that can solve all problems because different problems usually require different methods and approaches for successful solution. Nevertheless, if a student works systematically then soon problem solving will become fun for him/her.

Thus for the benefits of the student community (or any body who is interested in learning the art of the problem solving) I have presented below a sequence of steps that, if followed, can immensely help in solving questions in Physics and Maths.

PART-1:

  • Read The Question/Problem carefully.
  • Identify what is being asked.
  • Make a list of knowns and unknowns.
  • Note carefully the information given.(Sometimes, some informations which are part of general-knowledge are not specifically given.Note such relevant informations-if any.)
  • Sketch a neat diagram or a rough graph to aid your thinking.(Diagrams and graphs should be drawn in such a way that they describe the situation of the problem clearly.)
  • If you can make an estimate of the final solution (by reasoning or some logical guess!), then you must do that. Because at the end when you actually get your answer by solving the problem then you can check the truthfulness of your answer by comparing it with your estimate.

PART-2 :

  • Write a verbal description of relationship among all quantities.
  • Write all relevant formulae known to you involving known and unknown quantities.
  • Examine similar problems to see if their solution techniques are applicable.
  • Look for a pattern so that you may think upto many steps ahead of your calculations.
  • You may start with a special simpler case to gain insight.
  • Sometimes a problem may be broken into two or more number of non-overlaping cases and each case may be solved separately.

PART-3:

  • DO all calculations according to your decided plan.
  • Check your solution with your estimate and graph. Does it make sense? Does it seem resonable?
  • If every thing seems fine, then you have got your solution.

CONGRATULATIONS!

Those students who are desirous of studying Physics and Maths from me can click here.

FOR any help or query contact me (J.P.Sinha)on my mobile +91 9871 222 426(it is a New Delhi mobile number).Please call only between 8.00am and 10.00am IST

Other articles of this series:

For taking my test series in Physics and Maths click here

  1. Part-1:-This explains how you can begin your preparation when you enter class- 11th .
  2. Part-2: This explains how you can give your preparation a good finish.
  3. Preparation after passing 12th board exam: I have written this article for those students who have already passed 12th and are preparing for IIT-JEE/PMT.
  4. Book List:In this you can get an indicative Book List for IIT-JEE preparation.
  5. LIST OF ALL Articles:-On this page you can find the list of all the articles written by me any where on the net.I have provided hyper-links to let you go to the articles quickly.

How to prepare for IIT/PMT?/ PART-2

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STAGE:2

AUTHOR-J.P.Sinha.Teacher for IIT-JEE/PMT

To prepare for IIT-JEE/PMT (or other medical and engineering entrances)you should first finish the NCERT books of 11th and 12th(as described in PART-1of this series of articles).

Then you should go for some self assesement by solving few sample papers of IIT/PMT published regularly in different competition magazines.Or you may use some good GUIDE book, to solve plenty of questions from each chapter in each subject to assess your level of knowledge and acquired problem-solving-skills in different chapters.

In this way you will be able to know your strong and weak areas.Then based on this experience you should do extra reading of the concepts in topics that are your weakness.Then, again more sample papers and previous year papers should be solved.And based on your performance in such papers you should decide the topics in which you need extra work.In this way your preparation at the personal level will be completed by the time you reach 12th class.And at this level of your preparation you will feel that you can clear entrances like DCE,DPMT,BITS-Pilani...etc.And you have not joined any coaching yet!

Now to remain focussed you may join a 'one year course' at any reputable coaching institute.There you will be made to do regular problem solving practice.Since you are already done with the entire syllabus(if you followed the above programme of study!) so at the coaching you won't feel any problem in understanding complicated numaricals that are generally discussed in a coaching class. And your problem solving skills will be further sharpened.

And you will certainly find your self in some IIT( or a medical college) the next year pursuing the course of your dream.

For taking my test series in Physics and Maths click here

Those students who are desirous of studying Physics and Maths from me can click here.

FOR any help or query contact me (J.P.Sinha) on my mobile +91 9871 222 426 (it is a New Delhi mobile number).Please call only between 8.00am and 10.00am IST

Other articles of this series:

  1. Part-1:-This explains how you can begin your preparation when you enter class-11th.
  2. LIST OF ALL Articles:-On this page you can find the list of all the articles written by me any where on the net.I have provided hyper-links to let you go to the articles quickly.

For reading my article on General Study Techniques for getting good marks CLICK HERE

How to prepare for IIT/PMT?/Part-1

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To know how to prepare for IIT or PMT(or any other medical or engineering entrance ) read the following carefully.
AUTHOR-J.P.Sinha.Teacher for IIT-JEE/PMT

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NOTE:This part(in blue colour) is being written on 9th March 2012.
According to the proposed new Admission Policy, for admission to Engineering and Medical courses in India(which is likely to be implemented from next year),the marks obtained by a student in his/her 12th board exam will be a very important factor in deciding the admission of the student to an Engineering or a Medical college. In the light of this new proposed Admission Policy, the plan-of-study suggested by me in this article and the Part-2 of this article has become more relevant than before.

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In India,the moment a student passes out of 10th std., and takes science in 11th/12th, he receives a big shock.The way different subjects are developed in 11th are so different from that in 10th that many students get totally overwhelmed. But after one or two months most students get used to the new syllabus.Even then the preparation of IIT/PMT seems impossible to many.Different people respond differently to this seemingly tough situation.But my experience as a teacher ( I have been teaching PHYSICS/MATHS to 11th/12th students of science in Delhi in the sector of tuition/coaching for the last several years!) says that there is no need to panic at all.

A student should divide the work of IIT/PMT preparation into two stages.

STAGE ONE:
Initially students should simply concentrate on the basic NCERT syllabus. NCERT books are very good for basic concept building.They are also not very lengthy.So one can easily finish the entire 11th + 12th syllabus in eight to nine months, if one is sincere.During this stage, while they are studying NCERT texts, students should practice MCQ problem solving from any popular private publication books e.g. Pradeep,Dinesh etc.For really speedy completion of syllabus according to this plan, personal home tuition may be taken in each subject.In this way, within the first eight-nine months of 11th class, the entire +2 syllabus will be completed at the basic level along with some good amount of problem solving practice for the students.I would also like to emphasize that students should also make it their habbit to keep revising what they have already studied at regular intervals(say,on weekly basis).

Many students take admission in big coachings in the beginning of the class 11th . Most such students never get selected in any IIT/PMT institution.Why?!.... Very simple!. In these coachings, in the name of advanced preparation, blind problem solving is promoted.There, basic concepts are not taught properly, and just formulae are discussed as part of theory teaching.Then right away, very tough questions are introduced to be solved.These questions generally pass over the head of most students.The teacher solves those questions in the class or sometimes students are given printed solutions of the assignments from their institute.Students try to learn those solutions without learning the art that "How to solve a new question by applying systematic thinking to it with the help of basic concepts?"

Those students who are desirous of studying Physics and Maths from me can click here.
FOR any help or query contact me (J.P.Sinha)on my mobile +91 9871 222 426 (it is a New Delhi mobile number).Please call only between 8.00am and 10.00am IST
For taking my test series in Physics and Maths click here
Other articles of this series:

  1. Part-2:-This explains how you can give your preparation a good finish.
  2. Board Exam:-This explains how you can get high marks in PHYSICS and MATHS in Board Exam.
  3. LIST OF ALL Articles:-On this page you can find the list of all the articles written by me any where on the net.I have provided hyper-links to let you go to the articles quickly.
NOTE: For IIT-JEE-syllabus go to IIT-Delhi-JEE-web page
For taking my test series in Physics and Maths click here
For reading my article on General Study Techniques for getting good marks CLICK HERE